<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>bootstrap快速入门</title>
    <link rel="stylesheet" href="./bootstrap/css/bootstrap.css">
    <style>
        .box {
            background-color: pink;
        }
    </style>
</head>
<body>
<!-- container可以版心居中 -->
<div class="box container">
    1
</div>
</body>
</html>
